Bump mathjs from 14.8.2 to 15.1.0

Bumps [mathjs](https://github.com/josdejong/mathjs) from 14.8.2 to 15.1.0.
- [Changelog](https://github.com/josdejong/mathjs/blob/develop/HISTORY.md)
- [Commits](https://github.com/josdejong/mathjs/commits/v15.1.0)

---
updated-dependencies:
- dependency-name: mathjs
  dependency-version: 15.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -27,7 +27,7 @@
   },
   "dependencies": {
     "@sveltestrap/sveltestrap": "^7.0.1",
-    "mathjs": "^14.0.0",
+    "mathjs": "^15.1.0",
     "reconnecting-websocket": "^4.4.0",
     "sirv-cli": "^3.0.0",
     "stats.js": "^0.17.0",